Creating the module files

When creating a module, the first step is to create the files and folders to register the module. At the end of this recipe, we will have a registered module but without functionality.

In the next recipes, we will add extra features to that module.

Getting ready

Open the root folder of your Magento 2 website. The app/code/ folder is the folder where all the module development needs to be done.

Access to a command line is also recommended because Magento 2 has a built-in console tool with a lot of commands that we can use during the development.

How to do it...

In the following steps, we will create the required files to register a Magento module:

1. We will create a HelloWorld module in the Packt namespace. In your Magento root, create the following folders:
   • app/code/Packt
   • app/code/Packt/HelloWorld
   • app/code/Packt/HelloWorld/etc
2. In the etc folder of the module, create a file called module.xml with the following content:

   <?xml version="1.0"?>
   <config xmlns:xsi...